<template>
  <div class="login-page">
    <!-- 导航栏 -->
    <van-nav-bar title="面经登录" />

    <!-- 登录表单 -->
    <van-form @submit="onSubmit">
      <van-field
        v-model="username"
        name="username"
        label="用户名"
        placeholder="用户名"
        :rules="[
        { required: true, message: '请填写用户' },
        { pattern: /^\w{5,}$/, message: '用户名至少包含5个字符' }
        ]"
      />
      <van-field
        v-model="password"
        type="password"
        name="password"
        label="密码"
        placeholder="密码"
        :rules="[
         { required: true, message: '请填写密码' },
         { pattern: /^\w{6,}$/, message: '密码至少包含6个字符' }
         ]"
      />
      <div style="margin: 16px">
        <van-button  block type="info" native-type="submit"
          >登录</van-button
        >
      </div>
    </van-form>

    <!-- 跳转路由 -->
    <router-link class="link" to="/register">注册账号</router-link>
  </div>
</template>

<script>
import { login } from '@/api/user'
import { setToken } from '@/utils/storage'

export default {
  name: 'login-page',
  data () {
    return {
      username: 'harry',
      password: '123456'
    }
  },
  methods: {
    async onSubmit (values) {
      const { data } = await login(values)

      // 登录成功之后，需要存储token，跳转到主页
      setToken(data.token)

      this.$toast.success('登录成功')

      this.$router.push('/')
    }
  }
}
</script>

<style lang="less" scoped>
.link {
  color: #069;
  font-size: 12px;
  padding-right: 20px;
  float: right;
}
</style>
